Lument Executive and Leadership Team

November, 2026

Leadership Overview

Lument has 8 executives leading key functions including strategy, mortgage banking, financial oversight, and credit risk management.

Focused on delivering comprehensive capital solutions for multifamily and healthcare real estate, Lument empowers investors through proprietary lending, investment banking, and asset management services across the United States.

Leadership Roles at Lument

  • Chief Executive Officer, Board Chair Investment Committee Chair - James Flynn
  • Chief Financial Officer - Robert Kirkwood
  • President of Mortgage Banking - Tyler Griffin
  • Chief Credit Officer & President, Lument Finance Trust - Gregory Calvert
  • Managing Director - Jeffrey Tunney
  • Managing Director - Israel Leiner
  • Managing Director - Rob Lowther
  • Managing Director - Aaron Wooler
  • James Flynn - Chief Executive Officer, Board Chair Investment Committee Chair

    James Flynn, the Chief Executive Officer, Board Chair Investment Committee Chair at Lument, directs the overarching strategic vision for the national commercial real estate finance platform. Overseeing the integration of Fannie Mae, Freddie Mac, and FHA lending programs, the Chief Executive Officer, Board Chair Investment Committee Chair ensures alignment between capital solutions and the evolving needs of multifamily and healthcare investors. This leadership role involves chairing the investment committee to mitigate risk while driving growth across the firm's proprietary lending and investment banking divisions. By fostering a culture of excellence, James Flynn maintains the company's position as a market leader in the United States. Ultimately, Flynn secures long-term stability by optimizing the firm's investment management solutions and expanding the reach of the platform into new real estate sectors.
    James Flynn

    Robert Kirkwood - Chief Financial Officer

    Robert Kirkwood, the Chief Financial Officer at Lument, directs the financial strategy and fiscal operations for the national commercial real estate finance platform. Overseeing the firm's capital allocation, treasury functions, and financial reporting, the Chief Financial Officer ensures that the company maintains a robust balance sheet to support its lending and investment banking activities. This leadership role involves collaborating with the executive team to assess the financial impact of new market opportunities and regulatory changes. By managing the firm's liquidity and risk exposure, Robert Kirkwood safeguards the company's long-term financial health. Kirkwood maintains rigorous oversight of all accounting processes, ensuring transparency and compliance across the organization. Through disciplined financial management, the Chief Financial Officer supports the firm's mission to provide comprehensive capital solutions while delivering consistent value to stakeholders and investors in the multifamily and healthcare real estate markets.

    Tyler Griffin - President of Mortgage Banking

    Tyler Griffin, the President of Mortgage Banking at Lument, manages the end-to-end operations of the firm's mortgage lending platform. Overseeing the origination, underwriting, and closing processes for Fannie Mae, Freddie Mac, and FHA products, the President of Mortgage Banking ensures that the company delivers efficient and reliable capital solutions to multifamily and healthcare clients. This leadership role involves coordinating with regional teams across the United States to maintain high service standards and operational excellence. By optimizing the mortgage banking workflow, Tyler Griffin drives the firm's ability to scale its lending volume while managing risk effectively. Griffin maintains a focus on product innovation, ensuring that the firm's offerings remain relevant in a competitive market. Through strategic leadership, the President of Mortgage Banking supports the company's commitment to providing comprehensive financial solutions that empower real estate investors to achieve their long-term objectives.

    Gregory Calvert - Chief Credit Officer & President, Lument Finance Trust

    Gregory Calvert, the Chief Credit Officer & President, Lument Finance Trust at Lument, directs the firm's credit risk management framework and oversees the operations of the Lument Finance Trust. Overseeing the evaluation of all lending opportunities, the Chief Credit Officer & President, Lument Finance Trust ensures that the firm's portfolio remains resilient against market volatility. This leadership role involves setting credit policies that align with the firm's risk appetite while supporting the growth of the multifamily and healthcare lending platforms. By monitoring the performance of the trust's assets across the United States, Gregory Calvert maintains the integrity of the firm's investment management solutions. Calvert collaborates with the executive team to balance risk and return, ensuring that all capital solutions meet the highest standards of quality. Through disciplined credit oversight, the Chief Credit Officer & President, Lument Finance Trust secures the firm's reputation for stability and excellence.
    Gregory Calvert

    Jeffrey Tunney - Managing Director

    Jeffrey Tunney, the Managing Director at Lument, architects complex capital structures for clients within the multifamily and affordable housing sectors. Overseeing the origination of proprietary commercial lending products, the Managing Director ensures that investment solutions meet the specific requirements of real estate developers and owners. This leadership role involves collaborating with the broader investment banking team to execute large-scale financing transactions across the United States. By leveraging deep industry expertise, Jeffrey Tunney drives the expansion of the firm's market presence in the seniors housing and healthcare segments. Tunney maintains rigorous standards for deal quality and client service, ensuring that every transaction supports the firm's mission of providing comprehensive financial solutions. Through consistent performance, the Managing Director strengthens the company's reputation as a premier partner for institutional real estate investors.

    Israel Leiner - Managing Director

    Israel Leiner, the Managing Director at Lument, manages strategic advisory services for clients navigating the complexities of the healthcare real estate market. Overseeing the deployment of FHA and USDA lending products, the Managing Director ensures that capital solutions remain accessible for critical infrastructure projects. This leadership role involves coordinating with internal investment banking teams to structure financing that aligns with long-term asset management goals. By analyzing market trends across the United States, Israel Leiner identifies opportunities for growth within the seniors housing sector. Leiner maintains a focus on operational efficiency, ensuring that every client receives tailored financial guidance. Through the application of deep industry knowledge, the Managing Director supports the firm's commitment to delivering high-impact capital solutions that foster stability and growth for investors in the healthcare real estate space.

    Rob Lowther - Managing Director

    Rob Lowther, the Managing Director at Lument, directs the execution of investment sales and advisory mandates for multifamily real estate portfolios. Overseeing the firm's engagement with institutional investors, the Managing Director ensures that capital deployment strategies match the specific risk-return profiles of the company's diverse client base. This leadership role involves managing the lifecycle of complex real estate transactions, from initial underwriting to final closing. By monitoring regional market dynamics across the United States, Rob Lowther optimizes the firm's investment management platform to maximize value for stakeholders. Lowther maintains strong relationships with key industry participants, facilitating seamless collaboration between the lending and investment banking divisions. Through disciplined execution, the Managing Director drives the firm's mission to provide comprehensive, customized capital solutions that address the unique challenges of the modern real estate sector.

    Aaron Wooler - Managing Director

    Aaron Wooler, the Managing Director at Lument, leads the development of proprietary commercial lending initiatives for the firm's national client base. Overseeing the integration of Freddie Mac Optigo and other agency products, the Managing Director ensures that financing solutions remain competitive in a fluctuating interest rate environment. This leadership role involves working closely with the investment banking team to structure debt and equity solutions for multifamily and healthcare properties. By analyzing regional economic indicators across the United States, Aaron Wooler identifies emerging opportunities for capital deployment. Wooler maintains a focus on portfolio performance, ensuring that all lending activities adhere to the firm's strict underwriting standards. Through the strategic application of financial expertise, the Managing Director supports the company's goal of providing comprehensive, reliable capital solutions to investors in the real estate sector.

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    Frequently Asked Questions Regarding Lument Top Executives and Leadership Team

    Who leads Lument?
    Lument is led by James Flynn (Chief Executive Officer, Board Chair Investment Committee Chair), along with executives such as Robert Kirkwood (Chief Financial Officer) and Tyler Griffin (President of Mortgage Banking).
    Who is part of Lument’s executive team?
    The executive team of Lument includes leaders such as James Flynn (Chief Executive Officer, Board Chair Investment Committee Chair), Robert Kirkwood (Chief Financial Officer), Tyler Griffin (President of Mortgage Banking) and other senior executives.
    How many executives does Lument have?
    Lument has 8 executives leading key business areas.
    What roles are included in Lument’s leadership team?
    The leadership team of Lument includes roles such as Chief Executive Officer, Board Chair Investment Committee Chair, Chief Financial Officer, President of Mortgage Banking, Chief Credit Officer & President, Lument Finance Trust, Managing Director.